Vehicle-spring.



PATENTBD AUG. 2o, 21907. M, L. SBNDERLING.

VEHICLE SPRING.

APPLIOATIOH FILED ooT.15,19oe.

62 @Hh/moo co 54411011 loz,

UNITE@ STATES PAENT QFFiE.

MARTIN L. SENDERLING, OF JERSEY CITY, NEW JERSEY.

VEHICLE-errante.

Specication of Letters Patent.

Patented Aug. 2C), 1907.

Application led October 15,1906. Serial No. 338,925.

new and useful Improvements in 'Vehicle-Springs,

of which the following is a full, clear, and exact description, v

My invention relates to improvements in vehicle springs, and is essentially an improvement upon that type of spring made the subject matter of my former application Serial No. 201,134, led April l, i904, in which the spring is so arranged that its load bearing points will automatically adjust themselves differ entially to the weight of the load.

In the accompanying drawings, Figure l is a side elevation of a spring of full-elliptic type, constructed to embody my improvement. Fig. 2 is a modification, representing a semi-elliptic spring. Fig. 3 represents a quarter-elliptic spring.

l and 2 in Fig. I represent the upper and lower `members of a full-elliptic spring Each of these members is composed of a plurality of leaves suitablyv secured and operating in the manner and for the pur- Where in my former application these spring members were shown to bear directly on each other at their ends, in the present case this direct bearing Contact is avoided and wearing shoes are interposed whereby any friction occasioned by the action ot the spring will not wear the spring members proper. These wearing shoes are indicated at 4, and in the full-elliptic type they are arranged in sets as indicated. The preferable way of securing these Wearing shoes to the spring members is by means ot a clip-like member 45, preierably formed with' each of the wearing shoes and secured to one of the intermediate leaves, for instance by forming a roll on the end of said leaf to receive the clip bolt. The spacing from the clip bolt to the arch or bridge ot the clip is preferably slightly greater than the thickness of the several leaves embraced by said clip. It will thus be seen that each wearing shoe presents a protective covering for that part oi thc spring where heavy Wear would otherwise occur, and yet the construction is such that there "is no rigid connection which will impair or retard the free Working of the several spring leaves as the spring is flexed, which working is essential to the most effective eperation o such a device. It should be understood that in the drawings I have illustrated only the prt.- ierred method of securing the shoes.

lIn Fig. 2 I have 4shown the invention as applied to a semi-elliptic spring and in this igure the saine reierence numerals employed in Fig. l refer to 'similar 55 parts. In this figure the only substantial difference is in the elimination of the upper member of the spring. 'In this form it may-be desirable to employ a radius rod such as illustrated at 6 in dotted lines. 7-7 are parts of the sill oi the wagon supported by the spring. 6) The radius rod is connected at one end to the supportof the spring, while at the other end it may be Connected to the rigid part of the body. v

In Fig. 3 I have shown my invention applied to a quartenelliptic spring, the same reference numerals 65 used therein referring to parts similar to those shown in Figs. l and 2. In this case the longer leaf o the quartenelliptic spring member 2 may have an eye rolled at one end whereby ity may be connected with the sill or other rigid part oi the vehicle by means of 70 a coupler 8 or otherwise.

In the operation of a spring of this character and as. pointed ou't in my former application, the supporting point shifts longitudinally along the spring from the end toward the center according to the load imposed. 75 This shifting Contact would result in substantial wear were it not for the provision of my improved wearing shoe. Furthermore, by its use, the necessity oi unduly hardening the spring blades at what would otherw Wise be the points of direct Contact with the part be- 80 ing supported is avoided.

What I claim is;u v

1. In n device of the character described, :i spring; member including' n plurality o leaves o different lengths, n purl' supported by said spring member, a wearing shoe g5 carried by said spring member und arranged between the end of the letter and the part to be supported thereby und secured to one of the ehesten leaves.

2. In u device of the character described, a spring meinher including' n plurality of leaves of dierent lentths, a 9g part to be supported thereby, a wearing shoe car ed hy the spring member, and covering and protecting the ocuring faraereof, o. clip connecting said wearing; shoe with one end ot' one of the shorter leaves.

3. u'n device oi the character described i bei' including a plurality of leavesot ditte part to he supported by said ing member, a averti ng shoe carried by scid spring mem kr and c cctefl ai: o e end to une end et one o' 'the sh rter leaves wearing shoe overslnndlng and protecting the supporting 1,15@ end of the spring member.

l. In a devies of the characterdoscribetl. a spring inember comprising :i plm of leaves olAdi ent lengthen n support for said s; ng intermedi-ite of 'the enais,a wearing shoe nt und for each end o spring, means 05 ot.' conn'eetion for each of said wml-ing shoes intermediate tho ends of the spring and said support and with one er? the shorter leaves.

In o spi-lng; of the full-elliptic type, plnraity oi spring members, each member including e plurality ot '110 leaves of different lengths, a supper or one of said members, the ends or lioth mem suitably connected. to each other, and :in interni ng; slice carried by one ot' said spring member. 1nd ever-standing and pretect- 10 spring; members and ovrrslauding and prutuuling the hrarinf: und nf aill nu-mhor. and arrangwl between said hraringV und uf said mvmlwr and thu hoarlng and of flic othlgr lnomhrr. and a r-llp lurmml inlngraily \\'itl1 the shoe anll arrangml lu rlnhracu a plurality uf spring' leaves and lo he vnnnlrlwl in auf 0I' illc ihol-Irl' lrarrs. 

